Vulnerability in Opcfoundation Netstandard.opc.ua
CVE-2019-19135
In OPC Foundation OPC UA .NET Standard codebase 1.4.357.28, servers do not create sufficiently random numbers in OPCFoundation.NetStandard.Opc.Ua before 1.4.359.31, which allows man in the middle attackers to reuse encrypted user credentials sent over the network.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.010 (62.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Opcfoundation Netstandard.opc.ua
- Opcfoundation Ua-.netstandard — versions 1.4.357.28
Weakness classification (CWE)
References
- opcfoundation.org/security-bulletins/ (Vendor Advisory)
- opcfoundation.org/SecurityBulletins/OPC Foundation Security Bulletin CVE-2019-1… (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-19135?
- CVE-2019-19135 is a high-severity vulnerability in Opcfoundation Netstandard.opc.ua, classified under Use of Insufficiently Random Values. CVSS score: 7.4/10. Published 2020-03-16.
- How severe is CVE-2019-19135?
- High severity. CVSS v3 base score is 7.4 out of 10.